单选题Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）A REVOKE DROP ON t1 FROM PUBLICB REVOKE UPDATE ON t1 FROM PUBLICC REVOKE DEL

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单选题

Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）

REVOKE DROP ON t1 FROM PUBLIC

REVOKE UPDATE ON t1 FROM PUBLIC

REVOKE DELETE ON t1 FROM PUBLIC

REVOKE CONTROL ON t1 FROM PUBLIC

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实现“取消用户USER4对学生表STUD中学号(XH)的修改权限”这一功能的SQL语句是( )。A．REVOKE UPDATE (XH) ON TABLE FROM USER4;B．REVOKE UPDATE (XH) ON TABLE STUD FROM PUBLIC ;C．REVOKE UPDATE (XH) ON TABLE STUD FROM USER4;D．REVOKE ALL PRIVILEGES ON TABLE STUD FROM USER4;

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第2题

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第3题

实现“收回用户U4对学生表(STUD)中学号(XH)的修改权”这一功能的正确SQL语句是______。A．REVOKE UPDATE(XH) ON TABLE FROM U4B．REVOKE UPDATE(XH) ON TABLE STUD FROM PUBLICC．REVOKE UPDATE (XH) ON TABLE STUD FROM U4D．REVOKE ALL PRIVILEGES ON TABLE STUD FROM U4

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第4题

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第5题

A user needs to create a trigger that will update table T2 whenever a row is added to table T1. Assuming the user has all appropriate privileges for table T2, which privilege is required on table T1 to create the trigger?（）A.REFERENCESB.SELECTC.UPDATED.ALTER

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第6题

Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?()A.REVOKE DROP ON t1 FROM PUBLICB.REVOKE UPDATE ON t1 FROM PUBLICC.REVOKE DELETE ON t1 FROM PUBLICD.REVOKE CONTROL ON t1 FROM PUBLIC

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第7题

Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?()A.REVOKE ACCESS ON DATABASE FROM USER bobB.REVOKE CONNECT ON DATABASE FROM USER tomC.REVOKE tom FROM ACCESS ON DATABASE BY USER bobD.REVOKE tom FROM CONNECT ON DATABASE BY USER bob

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单选题Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）A REVOKE DROP ON t1 FROM PUBLICB REVOKE UPDATE ON t1 FROM PUBLICC REVOKE DEL

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